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5 votes
If r is the radius of a circle and d is its diameter, which of the following is an

equivalent formula for the circumference C = 2pie r​

If r is the radius of a circle and d is its diameter, which of the following is an-example-1
User Yim
by
6.5k points

2 Answers

5 votes

C = 2πr is the same formula as C = πd since

two times the radius is equal to the diameter.

Check out the image below.

If r is the radius of a circle and d is its diameter, which of the following is an-example-1
User Raghav Chopra
by
7.2k points
3 votes

Answer:

C = pi * d

Explanation:

C = 2 * pi *r

We want to replace with d

d = 2 * r

C = pi * 2r

C = pi * d

User Daniele Bernardini
by
6.7k points
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